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Philippines
Mabilo Project

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 Location:
195 km SE from Manila, Philippines

  Project Contacts:
22F BDO Equitable Bank Tower 8751 Paseo de Roxas, Salcedo Village
Makati City
Philippines
1226
Phone  ...  Subscription required
Fax+63-2-7728-8515
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  • Overview
  • Owners
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  • Mining
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  • Filings & News

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Overview

StagePermitting
Mine TypeOpen Pit
Commodities
  • Copper
  • Gold
  • Silver
  • Iron (magnetite)
  • Pyrite
  • Iron
Mining Method
  • Truck & Shovel / Loader
Mine Life10 years (as of Jan 1, 2016)
The Mabilo project is Covered by an approved Declaration of Mining Project Feasibility (“DMPF”) and Environmental Compliance Certificate (“ECC”) for initial direct shipping ore (“DSO”) operations.
Latest NewsRTG Mining Inc. Announces Issue of a $3.8 Million Chess Depository Instruments Under Tranche 2 of Private Placement     September 8, 2023


Owners

Source: p. 5,6
CompanyInterestOwnership
TVI Pacific Inc. 18.4 % Indirect
RTG Mining Inc. 40 % Indirect
Mt. Labo Exploration and Development Corp. (operator) 100 % Direct
TVI Resource Development (Phils.) Inc. (TVIRD) has gained a 60% indirect interest in the Mabilo Project (“Project”) through having acquired on January 31, 2022, all the outstanding capital stock of SageCapital Partners, Inc. (“SageCapital”). SageCapital is a holding company incorporated under the laws of the Philippines which, in turn, owns 60% of the outstanding capital stock of Mt.Labo Exploration and Development Corporation (“MLEDC”), a Philippines mining and minerals exploration development company whose projects are based in Camarines Norte, Philippines, and which is the owner and operator of the Mabilo Project (“Mabilo”).

RTG Mining Inc. (“RTG”) holds a 40% interest in MLEDC through SRM Gold.

TVI Pacific Inc. holds a 30.66% interest in TVI Resource Development Phils., Inc.

Contractors

Subscription required - Subscription is required.


Deposit Type

  • Skarn


Summary:

The Mabilo Property hosts mineralization of copper-gold-magnetite skarn type. Skarn describes a rock dominated by calc-silicate or calcium-magnesium silicate minerals formed by metasomatic replacement of carbonate-bearing rocks rich in calcium and magnesium. Skarn forms as a result of interaction of carbonate-bearing host rock with hydrothermal fluids derived from an igneous intrusion.

Skarn copper-gold-magnetite is considered to be the primary target at the Mabilo Property. While the occurrence of copper-gold-magnetite skarn may suggest some potential for porphyry copper-gold mineralization, no indication of this type of mineralization has been encountered and no porphyritic intrusions have been identified. There may also be potential for epithermal gold mineralization, but this is also a secondary target; pyrite-quartz overprint of the known skarn is of epithermal style, but is not known to be gold-mineralized.

Quaternary lahar and tuff deposits of the Labo Volcanics cover the southern and eastern two-thirds of the Mabilo exploration license, thickening southward from Venida. In the deposit area, the Labo Volcanics vary from about 30 m to 50 m in thickness, reflecting both palaeotopography and stratigraphic thickness. As a result of the poor exposure, younger volcanic cover and limited drilling, the geology of the older rocks in the license area is not well constrained.

Beneath the Labo volcanic unconformity, Tumbaga Formation sediments an ........


Mining Methods

  • Truck & Shovel / Loader


Summary:

Open pit mining is the method selected for the Mabilo mining operation. Pit optimization has demonstrated that application of this method results in favorable project economics. The method deploys conventional drilling, blasting, loading and hauling techniques to excavate and transport ore and waste materials.

Mining activities also include clearing of land, stripping and storage of topsoil, ore rehandle, pit dewatering, dust suppression and dump rehabilitation. All activities will be performed by mining contractors except for grade control, mine planning and mine management being undertaken by the mine owners.

Clearing, Topsoil Removal and Storage
Pit, dump and tailings areas will be cleared and the topsoil stored for rehabilitation later in the mine life.

Grade Control
The grade control activities planned for Mabilo aim to minimize ore loss and dilution at the ore-waste boundaries for both oxide and fresh ore types and also aim to effectively separate and minimize the mixing of the different oxide ore materials (Gold Cap, Supergene Copper and Oxide Skarn).

The activities consist of Reverse Circulation (RC) drilling of the ore zones using a 15 m x 5 m pattern plus a 10% factor allowing for additional holes in the waste adjoining the ore. This is to ensure that the ore-waste boundary is delineated correctly and ore loss is minimized. Samples will be taken for every 2.5 m flitch and will be sent off-site for analysis.


Crushing and Grinding
Flow Sheet: Source

The treatment plant design incorporates the following unit process operations:

- Single stage open circuit primary crushing to produce a crushed product size of 80% passing (P80) 120 mm.

- A crushed ore surge bin with a nominal capacity of 120 t. Surge bin overflow will be conveyed to a dead stockpile of 20,000 tonnes. Ore from the dead stockpile will be reclaimed by front end loader (FEL) to feed the mill during periods when the crushing circuit is off-line.

- Grinding of ore in a SAG mill circuit in closed circuit with hydrocyclones to produce a P80 grind size of 90 µm.

- Bulk sulphide flotation to recover copper sulphides and gold bearing pyrite.

- Two-stage cleaner flotation to recover copper sulphides into a copper concentrate and pyrite into a product for sale.

- Concentrate thickening and pressure filtration to produce a copper concentrate filter cake.

- Pyrite thickening and either pressure filtration to produce a pyrite concentrate filter cake or discharge direct to tailings.

- Magnetic separation of the bulk sulphide tails to recover magnetite into concentrate.

- Concentrate thickening and pressure filtration to produce a magnetite concentrate filter cake.

- Combined tailings pumping to the tailings storage facility (TSF).


Processing

Flow Sheet: Subscription required

Summary:

- subscription is required.


Projected Production:

CommodityProductUnitsLOM
Copper Metal in concentrate M lbs 225
Copper Metal in ore M lbs 289
Copper Concentrate kt 373
Gold Metal in ore oz  ......  Subscription required
Silver Metal in ore oz  ......  Subscription required
Iron (magnetite) Concentrate kt  ......  Subscription required
Pyrite Concentrate kt  ......  Subscription required
Iron Metal in concentrate kt  ......  Subscription required

Operational Metrics:

Metrics
Hourly processing capacity 125 t *
Annual ore mining rate 1 Mt *
Annual milling capacity 1 Mt *
Stripping / waste ratio 10 *
Waste tonnes, LOM 77.7 Mt *
Ore tonnes mined, LOM 7,792 kt *
Total tonnes mined, LOM 85,506 kt *
Tonnes milled, LOM 7,155 kt *
* According to 2016 study.

Reserves at November 1, 2016:

CategoryTonnage CommodityGradeContained Metal
Probable 7.792 Mt Copper 1.95 %
Probable 7.792 Mt Gold 2.04 g/t
Probable 7.792 Mt Silver 8.79 g/t
Probable 7.792 Mt Iron 45.5 %
Indicated 8.86 Mt Copper 1.9 % 169.8 kt
Indicated 8.86 Mt Gold 2 g/t 577.6 koz
Indicated 8.86 Mt Silver 9.8 g/t
Indicated 8.86 Mt Iron 45.6 % 4,035 kt
Inferred 3.91 Mt Copper 1.5 % 57 kt
Inferred 3.91 Mt Gold 1.5 g/t 184.9 koz
Inferred 3.91 Mt Silver 9.1 g/t
Inferred 3.91 Mt Iron 29 % 1,134 kt

Commodity Production Costs:

CommodityUnitsAverage
Credits (by-product) Copper USD -0.66 / lb *  
Credits (by-product) Gold USD -869.86 / oz *  
C1 cash costs Copper Equivalent USD 0.81 / lb *  
C1 cash costs Gold Equivalent USD 429.68 / oz *  
C1 cash costs Copper USD -0.12 / lb *†  
C1 cash costs Gold USD -413.35 / oz *†  
C2 total cash costs Copper USD 0.67 / lb *†  
C2 total cash costs Gold USD 126.73 / oz *†  
C3 fully allocated costs Copper USD 0.82 / lb *†  
C3 fully allocated costs Gold USD 228.48 / oz *†  
Assumed price Iron USD 50 / t *  
Assumed price Copper USD 2.27 / lb *  
Assumed price Silver USD 14 / oz *  
Assumed price Gold USD 1,200 / oz *  
* According to 2016 study / presentation.
† Net of By-Product.

Operating Costs:

Units2016
OP mining costs ($/t mined) USD 1.36 *  
OP mining costs ($/t milled) USD  ......  Subscription required
Processing costs ($/t milled) USD  ......  Subscription required
G&A ($/t mined) USD  ......  Subscription required
Total operating costs ($/t mined) USD  ......  Subscription required
Total operating costs ($/t milled) USD  ......  Subscription required
* According to 2016 study.
Subscription required - Subscription is required.

2016 Study Costs and Valuation Metrics :

MetricsUnitsLOM Total
Initial CapEx $M USD  ......  Subscription required
Sustaining CapEx $M USD  ......  Subscription required
Closure costs $M USD  ......  Subscription required
Total CapEx $M USD  ......  Subscription required
OP OpEx $M USD  ......  Subscription required
Processing OpEx $M USD 264.8
G&A costs $M USD 78.4
Total OpEx $M USD  ......  Subscription required
Gross revenue (LOM) $M USD  ......  Subscription required
EBITDA (LOM) $M USD  ......  Subscription required
Pre-tax Cash Flow (LOM) $M USD  ......  Subscription required
After-tax Cash Flow (LOM) $M USD  ......  Subscription required
Pre-tax NPV @ 5% $M USD  ......  Subscription required
After-tax NPV @ 5% $M USD  ......  Subscription required
Pre-tax IRR, %  ......  Subscription required
After-tax IRR, %  ......  Subscription required
Pre-tax payback period, years  ......  Subscription required
After-tax payback period, years  ......  Subscription required
Subscription required - Subscription is required.


Proposed Heavy Mobile Equipment as of November 1, 2016:
HME TypeModelSizeQuantity
Backhoe ....................... Subscription required 100 t ....................... Subscription required
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Subscription required - Subscription is required.

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Sep 27, 2023
Subscription required - Subscription is required.


Corporate Filings & Presentations:

DocumentYear
Corporate Presentation 2023
Annual Information Form 2022
Management Discussion & Analysis 2022
Feasibility Study Report 2016
Subscription required - Subscription is required.

News:

NewsDate
RTG Mining Inc. Announces Issue of a $3.8 Million Chess Depository Instruments Under Tranche 2 of Private Placement September 8, 2023

Subscription required - Subscription is required.

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